3221960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 8536320

約数和(自身を除く): 5314360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 311, 370, 518, 622, 740, 1036, 1244, 1295, 1480, 1555, 2072, 2177, 2488, 2590, 3110, 4354, 5180, 6220, 8708, 10360, 10885, 11507, 12440, 17416, 21770, 23014, 43540, 46028, 57535, 80549, 87080, 92056, 115070, 161098, 230140, 322196, 402745, 460280, 644392, 805490, 1610980, 3221960]

約数ペア:

[(1, 3221960), (2, 1610980), (4, 805490), (5, 644392), (7, 460280), (8, 402745), (10, 322196), (14, 230140), (20, 161098), (28, 115070), (35, 92056), (37, 87080), (40, 80549), (56, 57535), (70, 46028), (74, 43540), (140, 23014), (148, 21770), (185, 17416), (259, 12440), (280, 11507), (296, 10885), (311, 10360), (370, 8708), (518, 6220), (622, 5180), (740, 4354), (1036, 3110), (1244, 2590), (1295, 2488), (1480, 2177), (1555, 2072)]